#diagramContainer {
    height: 80vh;
    border: 1px solid #dee2e6;
    border-radius: 0.25rem;
    background-color: #f8f9fa;
}

.node-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border: 1px solid #dee2e6;
    border-radius: 0.25rem;
    cursor: grab;
    margin-bottom: 0.5rem;
    background-color: white;
    transition: all 0.2s ease;
}

.node-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.node-shape {
    width: 20px;
    height: 20px;
    border-radius: 4px;
}

.toolbar {
    margin-bottom: 1rem;
}

.node-palette {
    width: 120px;
    border-right: 1px solid #dee2e6;
    padding: 0.5rem;
}

.properties-panel {
    width: 1000px;
    border-left: 1px solid #dee2e6;
    padding: 0.5rem;
    position: relative;
    height: 100%;
}

.properties-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: white;
    border-top: 1px solid #dee2e6;
}